computer database vs electronic information service

computer database and electronic information service both are nouns.

Word	Noun	Adjective	Verb	Adverb
computer database	Yes	No	No	No
electronic information service	Yes	No	No	No

As nouns, computer database and electronic information service are synonyms defined as:

computer database and electronic information service: (computer science) a database that can be accessed by computers

Other synonyms of computer database include electronic database, on-line database.

computer database (noun)	electronic information service (noun)
(computer science) a database that can be accessed by computers	(computer science) a database that can be accessed by computers